Product Details

The AMP-02 is the first precision instrumentation amplifier available in an 8-pin package. Gain of the AMP-02 is set by a single external resistor, and can range from 1 to 10,000. No gain set resistor is required for unity gain. The AMP-02 includes an input protection network that allows the inputs to be taken 60V beyond either supply rail without damaging the device.

Due to the AMP-02's design, its bandwidth remains very high over a wide range of gain. Slew rate is over 4V/µS making the AMP-02 ideal for fast data acquisition systems.

A reference pin is provided to allow the output to be referenced to an external DC level. This pin may be used for offset correction or level shifting as required. In the 8-pin package, sense is internally connected to the output.

For an instrumentation amplifier with the highest precision, consult the AMP-01 data sheet.

This Application Note presents several ways to build and optimize the performance of a discrete difference amplifier. It also recommends amplifiers that will make the overall solution cost/performance competitive with monolithic instrument amplifiers.

Tools & Simulations

SPICE Models

AMP02 SPICE Macro-Model

Design Tools

These tools calculate the common mode gain for instrumentation amplifiers using gain, differential voltage, and various other input parameters. It calculates both the internal node voltages and the output voltage of the part. It also calculates the resistor needed for a particular gain or the resulting gain using a certain resistor.

These tools will help estimate error contributions in your instrumentation amplifier circuit. It uses input parameters such as temperature, gain, voltage input, and source impedance to determine the errors that can contribute to your overall design.

Reference Materials

Analog Dialogue

Design Resources

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams
& pin function descriptions may be found in the datasheet.

Temperature Range

This is the acceptable operating range of the device. The various ranges specified
are as follows:

Commercial: 0 to +70 degrees Celsius

Military : -55 to +125 degrees Celsius

Industrial: Temperature ranges may vary by model. Please consult the datasheet for
more information.

Automotive: -40 to +125 degrees Celsius

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Indicates the packing option of the model (Tube, Reel, Tray, etc.) and the standard
quantity in that packing option.

Price

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars
(FOB USA per unit for the stated volume), and is subject to change. International
prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific
price or delivery quotes, please contact your local Analog Devices, Inc. sales office
or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based
on 1-piece pricing.

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